video: rockchip: mipi: rk3399: add power domain control

Change-Id: I61c2ad075417a716b1ba7c73baf4fd5889b402e9
Signed-off-by: Xubilv <xbl@rock-chips.com>

diff --git a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
index 9f01f96054d977d2f0631834c9f88d43ba605aed..8a75727857527ecea72b70c0c52f122a1fcaf8ca 100755 (executable)
--- a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
+++ b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
@@ -1599,6 +1599,9 @@ static int rk32_dsi_enable(void)
        MIPI_DBG("rk32_dsi_enable-------\n");
        if (!dsi0->clk_on) {
                dsi0->clk_on = 1;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+               pm_runtime_get_sync(&dsi0->pdev->dev);
+#endif
                rk_fb_get_prmry_screen(dsi0->screen.screen);
                dsi0->screen.lcdc_id = dsi0->screen.screen->lcdc_id;
                rk32_init_phy_mode(dsi0->screen.lcdc_id);
@@ -1638,6 +1641,9 @@ static int rk32_dsi_disable(void)
                dsi_power_off(0);
                if (rk_mipi_get_dsi_num() == 2)
                        dsi_power_off(1);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+               pm_runtime_put(&dsi0->pdev->dev);
+#endif
        }
        return 0;
 }
@@ -1920,6 +1926,10 @@ static int rk32_mipi_dsi_probe(struct platform_device *pdev)
 
        sprintf(ops->name, "rk_mipi_dsi.%d", dsi->dsi_id);
        platform_set_drvdata(pdev, dsi);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+       /* enable power domain */
+       pm_runtime_enable(&pdev->dev);
+#endif
 
        register_dsi_ops(dsi->dsi_id, &dsi->ops);
 
@@ -1964,8 +1974,17 @@ static int rk32_mipi_dsi_probe(struct platform_device *pdev)
        return ret;
 }
 
+static int rockchip_mipi_remove(struct platform_device *pdev)
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
+       pm_runtime_disable(&pdev->dev);
+#endif
+       return 0;
+}
+
 static struct platform_driver rk32_mipi_dsi_driver = {
        .probe = rk32_mipi_dsi_probe,
+       .remove = rockchip_mipi_remove,
        .driver = {
                .name = "rk32-mipi",
                .owner = THIS_MODULE,